HK

Hideo Koumura

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Overall (All Time): #2,023,267 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8962153 Hot-dip Zn—Al alloy coated steel sheet and producing method therefor Akihiko Furuta, Yoshito Furuya, Hideo Ogishi, Susumu Sato, Rie Umebayashi +2 more 2015-02-24
5019460 Galvannealed steel sheet having improved spot-weldability Akira Yasuda, Koji Yamato, Koichi Yasuda 1991-05-28